How could one remove soot off a coin without a wire brush? The coin is not heat damaged (proven) and I only want to clean the dried baked soot off a coin without damaging its surface? Is there a chemical that will do this for me? It is actually a ceramic tokin so acids would not be a problem. What I am actually talking about is blackened burner ceramics. When I use a wire brush it deposits metal on the insulator and I want to remove the hardened soot with a chemical. I know this is not a physics forum but most coin collectors are as smart as doctors and have carbon deposit problems on a very few coins. Any ideas would be surely appreciated.
Not possible. If it's a proof or an UNC coin, then whatever you try to do, the damage will be obvious. Come on, even wiping your coin with those macro fibre cloths can possibly lead to scratches!
I want to clean polished cermanic. Is there any way (sans formic acid, a colorless pungent acid out the ants lower poster posterium. To get techinical.
If real ceramic they have this stuff out now called SOAP. Do it carefully and place the coin in a dish, add some dishsoap, use a very, very soft brush, Sable hair from an art store, brush lightly, rinse with distilled water, blow dry with hair dryer set on warm, not hot.
Never tried this on ceramics, but auto polish will clean a lot of junk that is hard to clean otherwise. It might take some elbow grease. There are a lot of different ceramics out there. I do not know what you have, but this will not hurt shiny ceramics, but I would not try it on porous ceramics.
